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Complex Art Conservation and Preservation Problems
In this book, for the first time, an examination of Egon Schiele’s general painting technique is carried out. The main case study for this comprehensive investigation is the painting “Stadtende/Häuserbogen III,” 1918, one of Egon Schiele’s last works, which is housed at Universalmuseum Joanneum, Graz, Austria. In this book, the conservation campaign is detailed: uncovering portrait sketches integrated and painted over in the painting, unmasking the signature as a forgery, and recognising the frame as the original decorative frame. The research in the years following the conservation is detailed: discussing that, among other pigments, cadmium sulphide was confirmed in the paint material, which will influence subsequent conservation measures for the painting. The book’s examination continues with the complex interactions between environment and object that were also addressed in recently completed EU projects, concluding that continuously gained knowledge about external influences and storage materials used will help to adapt further measures to the painting as it continues to degrade.
Comparative Examinations of Cleaned Paint Surfaces
This volume explains four different methods for examining paint surfaces. It adopts several examination tools to compare untreated and treated surfaces of oil and acrylic paints, such as scanning electron microscopy (SEM), computer-aided laser profilometry, environmental scanning electron microscopy (ESEM) and 3D-measurement technology. Samples of historic oil paints, contemporary oil paints, and modern acrylic paints, are examined within, using subjective and objective measurements, to reveal ideal surface cleaning systems and methods for painting surfaces. The book presents tests of several surface active materials on oil paints and acrylic paint surfaces, including latex sponges and demineralized water, saliva, cellulose ethers, anionic and nonionic detergents, and microporous sponges.
Examination of Untreated and Treated Oil Paint Surfaces by 3D-Measurement Technology
Grime and dirt are hazards to oil-paint-surfaces. To remove these impurities, paintings are usually cleaned dry or wet with surfactants in aqueous medium. However, dry methods are not sufficient to completely clean the surfaces. Therefore modification of aqueous cleaning methods are necessary and include using mild non-ionic surfactants, thickening of the solutions used, reduction of contact humidity, and increasing temperature and pH. The authors of this book examine oil paint surfaces through the use of new 3D-Measurement Technology.
Collection Care/Sammlungspflege
Prevention is an attempt to look into the future and have a positive influence on it – therefore it is one of the most important aspects in the area of collection care, the central, current field of applied research in conservation and restoration. With sustainability damage and loss are avoided, dangers averted and research conducted. Collection care is only successful, if the theory is appropriately implemented in museum practice.
Lasers in the Conservation of Artworks
The field of "Lasers in the Conservation of Artworks" is gaining importance and restorers and laser scientists now work together to develop new applications. This book presents a fascinating and valuable application of laser technology. The proceedings of the 2005 congress addresses scientists, conservator-restorers, companies, architects, decision-makers and other experts involved in conservation projects or in the research of new laser equipment.
